Primary Weapons Systems MK116 MOD 2‑M Complete Upper Receiver – .223 Wylde, 16.1″, M‑LOK, Black (MK1‑M2U‑223‑16)

• Complete upper receiver designed for AR-15 platforms chambered in 223 Wylde caliber
• Features 16.1 inch barrel with 1:8 twist rate for versatile projectile stabilization
• Includes PWS FSC 556 muzzle device for recoil management and suppressor readiness
• Equipped with 15 inch PicLok MLOK handguard supporting Picatinny and MLOK accessories
• Constructed from T6 7075 forged upper with anodized finish for durability
• Includes Radian Raptor ambidextrous charging handle for enhanced user operation

The Primary Weapons Systems MK116 MOD 2-M Upper Receiver is a complete AR-15 upper receiver designed for rifle builds chambered in 223 Wylde. The Primary Weapons Systems MK116 MOD 2-M Upper Receiver features a 16.1 inch barrel with a 1:8 twist rate for standard rifle configurations.

This complete upper receiver includes a 15 inch PicLok M-LOK handguard and a PWS FSC 556 muzzle device. The Primary Weapons Systems MK116 MOD 2-M Upper Receiver is constructed from T6 7075 forged aluminum with an anodized black finish. It incorporates a proprietary long-stroke piston operating system and includes a Radian Raptor ambidextrous charging handle. In typical setups, the upper installs onto AR-15 lower receivers and functions as the primary firing assembly. This model fits AR rifle platforms chambered in 223 Wylde. The Primary Weapons Systems MK116 MOD 2-M Upper Receiver is part of the MOD 2 series and is used for rifle assembly and operation.